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Code Issues Projects Releases Packages Wiki Activity Actions

Progress indicator: Unify "copying" and "substituting"

Browse source 
They're the same thing after all.

Example:

  $ nix build --store local?root=/tmp/nix nixpkgs.firefox-unwrapped
  [0/1 built, 49/98 copied, 16.3/92.8 MiB DL, 55.8/309.2 MiB copied] downloading 'https://cache.nixos.org/nar/0pl9li1jigcj2dany47hpmn0r3r48wc4nz48v5mqhh426lgz3bz6.nar.xz'
This commit is contained in:
Eelco Dolstra 2017-08-14 22:12:36 +02:00
parent c36467ad2e
commit 0e0dcf2c7e
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
4 changed files with 24 additions and 87 deletions
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19
src/libstore/build.cc
View file

@ -207,7 +207,7 @@ struct MaintainCount
{
T & counter;
T delta;
MaintainCount(T & counter, T delta) : counter(counter), delta(delta) { counter += delta; }
MaintainCount(T & counter, T delta = 1) : counter(counter), delta(delta) { counter += delta; }
~MaintainCount() { counter -= delta; }
};
@ -256,6 +256,7 @@ private:
public:
const Activity act;
const Activity actSubstitutions;
/* Set if at least one derivation had a BuildError (i.e. permanent
failure). */
@ -268,6 +269,8 @@ public:
std::unique_ptr<HookInstance> hook;
uint64_t expectedSubstitutions = 0;
uint64_t doneSubstitutions = 0;
uint64_t expectedDownloadSize = 0;
uint64_t doneDownloadSize = 0;
uint64_t expectedNarSize = 0;
@ -334,6 +337,7 @@ public:
void updateProgress()
{
actSubstitutions.progress(doneSubstitutions, expectedSubstitutions + doneSubstitutions);
logger->event(evSetExpected, act, actDownload, expectedDownloadSize + doneDownloadSize);
logger->event(evSetExpected, act, actCopyPath, expectedNarSize + doneNarSize);
}
@ -3328,7 +3332,8 @@ private:
storePath when doing a repair. */
Path destPath;
std::unique_ptr<MaintainCount<uint64_t>> maintainExpectedNar, maintainExpectedDownload;
std::unique_ptr<MaintainCount<uint64_t>> maintainExpectedSubstitutions,
maintainExpectedNar, maintainExpectedDownload;
typedef void (SubstitutionGoal::*GoalState)();
GoalState state;
@ -3364,7 +3369,6 @@ public:
void amDone(ExitCode result) override
{
logger->event(evSubstitutionFinished, act, result == ecSuccess);
Goal::amDone(result);
}
};
@ -3379,7 +3383,7 @@ SubstitutionGoal::SubstitutionGoal(const Path & storePath, Worker & worker, Repa
state = &SubstitutionGoal::init;
name = (format("substitution of '%1%'") % storePath).str();
trace("created");
logger->event(evSubstitutionCreated, act, storePath);
maintainExpectedSubstitutions = std::make_unique<MaintainCount<uint64_t>>(worker.expectedSubstitutions);
}
@ -3527,8 +3531,6 @@ void SubstitutionGoal::tryToRun()
printInfo(format("fetching path '%1%'...") % storePath);
logger->event(evSubstitutionStarted, act);
outPipe.create();
promise = std::promise<void>();
@ -3576,6 +3578,9 @@ void SubstitutionGoal::finished()
printMsg(lvlChatty,
format("substitution of path '%1%' succeeded") % storePath);
maintainExpectedSubstitutions.reset();
worker.doneSubstitutions++;
if (maintainExpectedDownload) {
auto fileSize = maintainExpectedDownload->delta;
maintainExpectedDownload.reset();
@ -3610,6 +3615,7 @@ static bool working = false;
Worker::Worker(LocalStore & store)
: act(actRealise)
, actSubstitutions(actCopyPaths)
, store(store)
{
/* Debugging: prevent recursive workers. */
@ -3632,6 +3638,7 @@ Worker::~Worker()
their destructors). */
topGoals.clear();
assert(expectedSubstitutions == 0);
assert(expectedDownloadSize == 0);
assert(expectedNarSize == 0);
}

11
src/libstore/store-api.cc
View file

@ -621,16 +621,13 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const PathSet & storePa
for (auto & path : storePaths)
if (!valid.count(path)) missing.insert(path);
Activity act(actUnknown);
Activity act(actCopyPaths, fmt("copying %d paths", missing.size()));
logger->event(evCopyStarted, act);
std::atomic<size_t> nrCopied{0};
std::atomic<size_t> nrDone{storePaths.size() - missing.size()};
std::atomic<size_t> nrDone{0};
std::atomic<uint64_t> bytesExpected{0};
auto showProgress = [&]() {
logger->event(evCopyProgress, act, storePaths.size(), nrCopied, nrDone);
act.progress(nrDone, missing.size());
};
ThreadPool pool;
@ -659,11 +656,9 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const PathSet & storePa
if (!dstStore->isValidPath(storePath)) {
printInfo("copying '%s'...", storePath);
copyStorePath(srcStore, dstStore, storePath, repair, checkSigs);
nrCopied++;
}
nrDone++;
showProgress();
});
}

11
src/libutil/logging.hh
View file

@ -18,6 +18,7 @@ typedef enum {
actCopyPath = 100,
actDownload = 101,
actRealise = 102,
actCopyPaths = 103,
} ActivityType;
class Activity
@ -32,7 +33,7 @@ public:
~Activity();
template<typename... Args>
void progress(const Args & ... args);
void progress(const Args & ... args) const;
};
typedef enum {
@ -40,12 +41,6 @@ typedef enum {
evBuildStarted = 1,
evBuildOutput = 2,
evBuildFinished = 3,
evSubstitutionCreated = 8,
evSubstitutionStarted = 9,
evSubstitutionFinished = 10,
evCopyStarted = 100,
evCopyProgress = 101,
evStartActivity = 1000,
evStopActivity = 1001,
@ -152,7 +147,7 @@ void warnOnce(bool & haveWarned, const FormatOrString & fs);
void writeToStderr(const string & s);
template<typename... Args>
void Activity::progress(const Args & ... args)
void Activity::progress(const Args & ... args) const
{
Event ev;
ev.type = evProgress;

70
src/nix/progress-bar.cc
View file

@ -25,13 +25,6 @@ private:
std::map<ActivityType, uint64_t> expectedByType;
};
struct CopyInfo
{
uint64_t expected = 0;
uint64_t copied = 0;
uint64_t done = 0;
};
struct ActivitiesByType
{
std::map<Activity::t, std::list<ActInfo>::iterator> its;
@ -46,12 +39,6 @@ private:
uint64_t succeededBuilds = 0;
uint64_t failedBuilds = 0;
std::map<Activity::t, Path> substitutions;
std::set<Activity::t> runningSubstitutions;
uint64_t succeededSubstitutions = 0;
std::map<Activity::t, CopyInfo> runningCopies;
std::list<ActInfo> activities;
std::map<Activity::t, std::list<ActInfo>::iterator> its;
@ -185,25 +172,7 @@ public:
state.succeededBuilds, state.succeededBuilds + state.builds.size());
}
if (!state.substitutions.empty() || state.succeededSubstitutions) {
if (!res.empty()) res += ", ";
if (!state.runningSubstitutions.empty())
res += fmt(ANSI_BLUE "%d" "/" ANSI_NORMAL, state.runningSubstitutions.size());
res += fmt(ANSI_GREEN "%d/%d fetched" ANSI_NORMAL,
state.succeededSubstitutions,
state.succeededSubstitutions + state.substitutions.size());
}
if (!state.runningCopies.empty()) {
uint64_t copied = 0, expected = 0;
for (auto & i : state.runningCopies) {
copied += i.second.copied;
expected += i.second.expected - (i.second.done - i.second.copied);
}
add(fmt("%d/%d copied", copied, expected));
}
auto showActivity = [&](ActivityType type, const std::string & f) {
auto showActivity = [&](ActivityType type, const std::string & f, double unit) {
auto & act = state.activitiesByType[type];
uint64_t done = act.done, expected = act.done;
for (auto & j : act.its) {
@ -214,11 +183,12 @@ public:
expected = std::max(expected, act.expected);
if (done || expected)
add(fmt(f, done / MiB, expected / MiB));
add(fmt(f, done / unit, expected / unit));
};
showActivity(actDownload, "%1$.1f/%2$.1f MiB DL");
showActivity(actCopyPath, "%1$.1f/%2$.1f MiB copied");
showActivity(actCopyPaths, ANSI_GREEN "%d" ANSI_NORMAL "/%d copied", 1);
showActivity(actDownload, "%1$.1f/%2$.1f MiB DL", MiB);
showActivity(actCopyPath, "%1$.1f/%2$.1f MiB copied", MiB);
return res;
}
@ -287,36 +257,6 @@ public:
updateActivity(*state, act, ev.getS(1));
}
if (ev.type == evSubstitutionCreated) {
state->substitutions[ev.getI(0)] = ev.getS(1);
}
if (ev.type == evSubstitutionStarted) {
Activity::t act = ev.getI(0);
state->runningSubstitutions.insert(act);
auto name = storePathToName(state->substitutions[act]);
createActivity(*state, act, fmt("fetching " ANSI_BOLD "%s" ANSI_NORMAL, name));
}
if (ev.type == evSubstitutionFinished) {
Activity::t act = ev.getI(0);
if (ev.getI(1)) {
if (state->runningSubstitutions.count(act))
state->succeededSubstitutions++;
}
state->runningSubstitutions.erase(act);
state->substitutions.erase(act);
deleteActivity(*state, act);
}
if (ev.type == evCopyProgress) {
Activity::t act = ev.getI(0);
auto & i = state->runningCopies[act];
i.expected = ev.getI(1);
i.copied = ev.getI(2);
i.done = ev.getI(3);
}
update(*state);
}
};